East Vermillion Lake Weather Forecast

    • 37
    • 48

    Rain Showers

    • 44
    • 58

    Slight Chance Rain Showers

    • 42
    • 65

    Partly Sunny

    • 46
    • 65

    Partly Sunny

    • 49
    • 67

    Rain Showers Likely

    • 46
    • 63

    Chance Rain Showers

Today 26 Oct McCook

Rain Showers. Highs in the upper 40s. East Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.

Tonight 26 Oct McCook

Showers with a slight chance of Thunderstorms in the Evening, then a chance of Showers after midnight. Lows in the mid 30s. East Winds 10 to 15 Mph with Gusts up to 30 Mph, becoming west 5 to 10 Mph with Gusts up to 20 Mph after midnight. Chance of rain near 100 percent.

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East Vermillion Lake Temperature Statistics

October Temperature

Sioux Falls, Foss Field (20.5 miles)

  • Lowest 17 October, 2026

    32.6 °F

  • Average October

    58.5 °F

  • Highest 10 October, 2026

    90.6 °F

Climate (2021–2026)

Sioux Falls, Foss Field (20.5 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    61.1 °F
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